IT1062396B - Dispositivo di fissaggio per pale di eliche di aeromobili - Google Patents

Dispositivo di fissaggio per pale di eliche di aeromobili

Info

Publication number
IT1062396B
IT1062396B IT50464/76A IT5046476A IT1062396B IT 1062396 B IT1062396 B IT 1062396B IT 50464/76 A IT50464/76 A IT 50464/76A IT 5046476 A IT5046476 A IT 5046476A IT 1062396 B IT1062396 B IT 1062396B
Authority
IT
Italy
Prior art keywords
fixing device
aircraft propellers
propellers
aircraft
fixing
Prior art date
Application number
IT50464/76A
Other languages
English (en)
Original Assignee
Lord Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lord Corp filed Critical Lord Corp
Application granted granted Critical
Publication of IT1062396B publication Critical patent/IT1062396B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/35—Rotors having elastomeric joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/02—Hub construction
    • B64C11/04—Blade mountings
    • B64C11/06—Blade mountings for variable-pitch blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features
    • B64C27/48—Root attachment to rotor head
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32008—Plural distinct articulation axes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/45—Flexibly connected rigid members
    • Y10T403/455—Elastomer interposed between radially spaced members
    • Y10T403/458—Composite bushing with elastomeric component

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Sliding-Contact Bearings (AREA)
  • Support Of The Bearing (AREA)
IT50464/76A 1975-07-18 1976-07-16 Dispositivo di fissaggio per pale di eliche di aeromobili IT1062396B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US59710575A 1975-07-18 1975-07-18

Publications (1)

Publication Number Publication Date
IT1062396B true IT1062396B (it) 1984-10-10

Family

ID=24390114

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50464/76A IT1062396B (it) 1975-07-18 1976-07-16 Dispositivo di fissaggio per pale di eliche di aeromobili

Country Status (6)

Country Link
US (1) US4141664A (it)
CA (1) CA1048472A (it)
DE (1) DE2632169A1 (it)
FR (1) FR2318068A1 (it)
GB (1) GB1530366A (it)
IT (1) IT1062396B (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4235570A (en) * 1978-06-26 1980-11-25 United Technologies Corporation Elastomeric helicopter rotor load reaction system
US4236737A (en) * 1978-09-28 1980-12-02 Aeroquip Corporation Conduit swivel joint
US4242047A (en) * 1979-05-02 1980-12-30 United Technologies Corporation Adjustable bearing centering means for helicopter rotor elastomeric bearings
US4440031A (en) * 1981-07-31 1984-04-03 The Charles Stark Draper Laboratory Force detecting system for remote center compliance device
GB2192943A (en) * 1986-07-26 1988-01-27 Rolls Royce Plc A variable pitch blade assembly
US5118256A (en) * 1991-04-29 1992-06-02 United Technologies Corporation Blade retention apparatus with elastomeric preload
US8784063B2 (en) 2011-05-06 2014-07-22 Hamilton Sundstrand Corporation Split blade retention race with inner and outer chamfers
US9149055B2 (en) * 2013-03-14 2015-10-06 Gold Medal Products Company Toolless cotton candy machine
US9381996B2 (en) 2013-05-09 2016-07-05 Hamilton Sundstrand Corporation Split blade retention race with inner and outer chamfers
US9869190B2 (en) 2014-05-30 2018-01-16 General Electric Company Variable-pitch rotor with remote counterweights
US9347487B2 (en) * 2014-05-30 2016-05-24 Bell Helicopter Textron Inc. Rotorcraft bearing with rotation slip joint
US10072510B2 (en) 2014-11-21 2018-09-11 General Electric Company Variable pitch fan for gas turbine engine and method of assembling the same
US10100653B2 (en) 2015-10-08 2018-10-16 General Electric Company Variable pitch fan blade retention system
DE202019101994U1 (de) * 2019-04-05 2020-07-08 SBM Development GmbH Rotoranordnung
US11674435B2 (en) 2021-06-29 2023-06-13 General Electric Company Levered counterweight feathering system
US11795964B2 (en) 2021-07-16 2023-10-24 General Electric Company Levered counterweight feathering system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2241055A (en) * 1937-11-03 1941-05-06 Wright Aeronautical Corp Articulated propeller
US2631680A (en) * 1950-05-29 1953-03-17 Curtiss Wright Corp Articulated blade
US3504902A (en) * 1967-08-22 1970-04-07 Trw Inc Pin stabilized laminated bearing flexible joint
FR1585533A (it) * 1967-10-04 1970-01-23
US3484172A (en) * 1968-05-27 1969-12-16 Richard Eugene Reed Helicopter
US3734546A (en) * 1972-03-30 1973-05-22 Lockheed Aircraft Corp Flexible pipe connection
US3782854A (en) * 1972-07-05 1974-01-01 United Aircraft Corp Elastomeric bearing for a helicopter rotor
ZA72643B (en) * 1973-01-05 1972-10-25 Colchester Woods Improvements in or relating to fans
US3862812A (en) * 1973-07-18 1975-01-28 Lord Corp Rotor blade retention system
US3853337A (en) * 1974-02-25 1974-12-10 Lockheed Aircraft Corp Flexible elbow joint for pipes

Also Published As

Publication number Publication date
FR2318068A1 (fr) 1977-02-11
CA1048472A (en) 1979-02-13
GB1530366A (en) 1978-10-25
DE2632169A1 (de) 1977-02-03
US4141664A (en) 1979-02-27

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